The most popular API, in terms of mashup count, is far and away the Google Maps API, which accounts for 41% of all mashups. But when it comes to the most popular pair of APIs, Flickr and YouTube mashups are the most common. Not to be outdone, Google Maps joins Flickr in a near second place.

It's often said that in New York City everything comes down to real estate. The tenth API to emerge from the New York Times developer network addresses this topic with pricing data for the five borough's residential properties.

The Qualpay Platform Webhooks API enables you to: Configure a new webhook, Save the webhook_id in the response for use in future requests, Manage a webhook, Get all events for a webhook, Add an event...

The Qualpay Payment Gateway provides a way to access an approved transaction, timing of the batch that needs to be controlled by the merchant, online authorization requests received, reason code and...